working http server sample

socket.rb

require 'socket'
require "http/parser"


READ_CHUNK = 1024 * 4
socket = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM)
addr = Socket.pack_sockaddr_in(9799, '127.0.0.1')
socket.bind(addr)
socket.listen(Socket::SOMAXCONN)
socket.setsockopt(:SOCKET, :REUSEADDR, true)

puts "Server is listening on port = 9799"
loop do
    connection, addr_info = socket.accept

    parser = Http::Parser.new
    begin
      data = connection.readpartial(READ_CHUNK)
      puts "Buffer = #{data}"
      parser << data
    end until parser.headers

    connection.write("HTTP/1.1 200 \r\n")
    connection.write("Content-Type: text/html\r\n")
    connection.write("Status 200 \r\n")
    connection.write("Connection: close \r\n")
    connection.write("\r\n\r\n")
    connection.write("Hello World \r\n")
    connection.close
end